Quincy Threshold Days by Year (USC00047195)

19 fixed thresholds counted per year at Quincy (USC00047195): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Quincy Thresholds

Quincy: days with a maximum temperature at or above 30 C (86 F) in 96 years, most in 1970 with 111.
Quincy: days with a maximum temperature at or above 90 F (32.2 C) in 96 years, most in 1970 with 84.
Quincy: nights with a minimum temperature at or below 0 C (32 F) in 95 years, most in 1955 with 237.
Quincy: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1909 with 51.
19 fixed thresholds have at least one qualifying day at Quincy.

Days at or above 30 C (86 F)

96 years with a qualifying day

Days per year at Quincy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 111 in 1970.

Days at or above 30 C (86 F) per year at Quincy
Year	Days	Decade average
1896	53	46.3
1897	46	46.3
1898	49	46.3
1899	37	46.3
1900	33	36.2
1901	39	36.2
1902	43	36.2
1903	37	36.2
1904	50	36.2
1905	20	36.2
1907	18	36.2
1908	38	36.2
1909	48	36.2
1910	63	53.1
1911	31	53.1
1912	27	53.1
1913	40	53.1
1915	63	53.1
1916	51	53.1
1917	97	53.1
1920	59	70.1
1921	71	70.1
1922	75	70.1
1923	53	70.1
1924	94	70.1
1925	58	70.1
1926	76	70.1
1927	53	70.1
1928	83	70.1
1929	79	70.1
1930	73	75.6
1931	73	75.6
1934	75	75.6
1935	71	75.6
1936	81	75.6
1937	71	75.6
1938	77	75.6
1939	84	75.6
1940	72	64.4
1941	39	64.4
1942	64	64.4
1943	66	64.4
1944	66	64.4
1945	76	64.4
1946	73	64.4
1947	59	64.4
1951	81	78.7
1952	97	78.7
1953	67	78.7
1954	69	78.7
1955	70	78.7
1956	68	78.7
1957	77	78.7
1958	96	78.7
1959	83	78.7
1960	103	88.7
1961	91	88.7
1962	82	88.7
1963	75	88.7
1964	72	88.7
1965	72	88.7
1966	92	88.7
1967	106	88.7
1968	90	88.7
1969	104	88.7
1970	111	87.3
1971	80	87.3
1972	71	87.3
1995	89	89
2000	75	85.4
2001	91	85.4
2002	87	85.4
2003	90	85.4
2004	85	85.4
2005	69	85.4
2006	90	85.4
2007	77	85.4
2008	98	85.4
2009	92	85.4
2010	68	74.6
2011	63	74.6
2012	90	74.6
2013	68	74.6
2014	79	74.6
2015	79	74.6
2016	74	74.6
2017	83	74.6
2018	75	74.6
2019	67	74.6
2020	94	91
2021	94	91
2022	81	91
2023	79	91
2024	106	91
2025	91	91
2026	92	91

For each year, a bar from the first to the last day at Quincy meeting 30 C (86 F).

First to last qualifying date each year at Quincy
Year	First date	Last date
1896	1896-05-27	1896-09-06
1897	1897-05-19	1897-08-24
1898	1898-06-24	1898-09-18
1899	1899-06-09	1899-09-20
1900	1900-06-04	1900-09-02
1901	1901-06-19	1901-09-18
1902	1902-06-07	1902-09-13
1903	1903-05-30	1903-09-03
1904	1904-05-15	1904-09-08
1905	1905-06-20	1905-07-28
1907	1907-07-27	1907-09-12
1908	1908-07-01	1908-09-05
1909	1909-05-31	1909-09-15
1910	1910-05-29	1910-09-05
1911	1911-06-10	1911-08-30
1912	1912-06-01	1912-08-25
1913	1913-07-03	1913-09-19
1915	1915-06-06	1915-10-26
1916	1916-06-07	1916-09-26
1917	1917-06-07	1917-10-25
1920	1920-05-20	1920-09-29
1921	1921-06-09	1921-10-20
1922	1922-05-30	1922-10-22
1923	1923-06-27	1923-09-15
1924	1924-05-08	1924-09-28
1925	1925-06-10	1925-08-30
1926	1926-04-25	1926-09-08
1927	1927-05-13	1927-09-20
1928	1928-05-24	1928-09-24
1929	1929-05-21	1929-09-19
1930	1930-06-04	1930-09-20
1931	1931-05-05	1931-10-01
1934	1934-05-10	1934-10-11
1935	1935-05-21	1935-09-30
1936	1936-05-09	1936-10-10
1937	1937-05-12	1937-09-26
1938	1938-05-14	1938-09-22
1939	1939-05-27	1939-09-23
1940	1940-05-21	1940-08-31
1941	1941-05-11	1941-09-05
1942	1942-06-14	1942-10-05
1943	1943-05-24	1943-10-02
1944	1944-05-26	1944-09-28
1945	1945-05-03	1945-10-03
1946	1946-04-25	1946-09-29
1947	1947-05-05	1947-10-04
1951	1951-05-25	1951-09-22
1952	1952-05-18	1952-10-06
1953	1953-06-17	1953-10-07
1954	1954-05-06	1954-09-28
1955	1955-05-19	1955-09-12
1956	1956-05-21	1956-10-06
1957	1957-05-27	1957-09-24
1958	1958-05-08	1958-10-05
1959	1959-05-12	1959-10-25
1960	1960-05-29	1960-10-03
1961	1961-04-03	1961-10-18
1962	1962-06-02	1962-10-02
1963	1963-05-17	1963-10-04
1964	1964-06-14	1964-10-12
1965	1965-05-28	1965-10-13
1966	1966-05-03	1966-10-11
1967	1967-05-16	1967-09-29
1968	1968-05-28	1968-10-04
1969	1969-05-07	1969-10-02
1970	1970-05-04	1970-10-05
1971	1971-05-15	1971-10-10
1972	1972-05-14	1972-09-17
1995	1995-05-30	1995-10-18
2000	2000-04-26	2000-10-07
2001	2001-05-07	2001-10-03
2002	2002-05-29	2002-10-08
2003	2003-05-21	2003-09-28
2004	2004-04-26	2004-10-14
2005	2005-05-25	2005-09-30
2006	2006-05-14	2006-09-29
2007	2007-05-15	2007-09-12
2008	2008-05-15	2008-09-30
2009	2009-04-20	2009-09-28
2010	2010-06-26	2010-10-02
2011	2011-06-14	2011-09-29
2012	2012-04-23	2012-10-04
2013	2013-05-12	2013-09-15
2014	2014-05-15	2014-10-08
2015	2015-06-08	2015-10-14
2016	2016-06-01	2016-09-29
2017	2017-05-23	2017-09-14
2018	2018-06-03	2018-09-29
2019	2019-06-05	2019-09-26
2020	2020-04-29	2020-10-07
2021	2021-04-30	2021-09-26
2022	2022-05-19	2022-10-07
2023	2023-04-28	2023-09-20
2024	2024-05-15	2024-10-09
2025	2025-05-28	2025-09-28
2026	2026-03-21	2026-10-10

Every Fixed Threshold

Fixed thresholds at Quincy
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	96	111	1970	92
35 C (95 F): Days	90	44	2021	16
40 C (104 F): Days	21	5	1972	2
90 F (32.2 C): Days	96	84	1970	64
100 F (37.8 C): Days	62	14	1961	2
0 C (32 F): Ice days (max	64	16	1937	2
0 C (32 F): Frost days (min	95	237	1955	71
-10 C (14 F): Days with min	85	41	1917	6
-20 C (-4 F): Days with min	18	10	1937	8
-30 C (-22 F): Days with min	2	2	1937	2
20 C (68 F): Tropical nights (min	2	1	1947	1
10 mm (0.39 in): Days with 10 mm or more rain	91	51	1909	21
25 mm (0.98 in): Days with 25 mm or more rain	90	26	1909	4
50 mm (1.97 in): Days with 50 mm or more rain	87	11	2017	10
100 mm (3.94 in): Days with 100 mm or more rain	23	4	1962	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2004	1
10 cm (3.9 in): Days with 10 cm or more snowfall	44	14	1952	3
25 cm (9.8 in): Days with 25 cm or more snowfall	22	5	1952	1
50 cm (19.7 in): Days with 50 cm or more snowfall	4	2	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Quincy threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Quincy Threshold Days by Year (USC00047195)

Key Facts for Quincy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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